Cheap flights from Ireland to Belfast from €52

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

 Logo
21:45 - 07:25DUB-BFS
9h 40m1 stop
 Logo
05:45 - 13:20BFS-DUB
7h 35m1 stop
€109
Find Deal
Sun, 26 Oct - Sun, 2 Nov
 Logo
20:45 - 07:55DUB-BFS
11h 10m1 stop
 Logo
05:55 - 12:10BFS-DUB
6h 15m1 stop
€114
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Ryanair Logo
22:50 - 07:45ORK-BFS
8h 55m1 stop
Ryanair Logo
22:20 - 07:20BFS-ORK
9h 00m1 stop
€175Ryanair
Find Deal
Sat, 25 Oct - Mon, 27 Oct
Aer Lingus Logo
06:30 - 20:25DUB-BHD
13h 55m1 stop
Aer Lingus Logo
11:00 - 17:20BHD-DUB
6h 20m1 stop
€201Aer Lingus
Find Deal
Sat, 4 Oct - Sun, 5 Oct
Ryanair Logo
22:50 - 07:45ORK-BFS
8h 55m1 stop
Ryanair Logo
12:40 - 07:20BFS-ORK
18h 40m2 stops
€206Ryanair
Find Deal
Sat, 25 Oct - Mon, 27 Oct
Aer Lingus Logo
06:30 - 20:50DUB-BHD
14h 20m1 stop
Aer Lingus Logo
10:20 - 17:20BHD-DUB
7h 00m1 stop
€210Aer Lingus
Find Deal
Sat, 18 Oct - Mon, 20 Oct
KLM Logo
11:10 - 21:15DUB-BHD
10h 05m1 stop
KLM Logo
06:30 - 12:35BHD-DUB
6h 05m1 stop
€214KLM
Find Deal
Sat, 4 Oct - Sun, 5 Oct
British Airways Logo
20:10 - 10:10DUB-BHD
14h 00m1 stop
British Airways Logo
13:50 - 18:00BHD-DUB
4h 10m1 stop
€232British Airways
Find Deal
Sat, 18 Oct - Mon, 20 Oct
British Airways Logo
20:10 - 10:10DUB-BHD
14h 00m1 stop
British Airways Logo
20:05 - 07:45BHD-DUB
11h 40m1 stop
€273British Airways
Find Deal
Sat, 4 Oct - Sun, 5 Oct
KLM Logo
06:00 - 16:50ORK-BHD
10h 50m1 stop
KLM Logo
06:30 - 15:00BHD-ORK
8h 30m2 stops
€321KLM
Find Deal
Fri, 6 Mar - Mon, 9 Mar

Ryanair flights from Ireland to Belfast

Our best Ryanair deals on Ireland to Belfast flight tickets
Ryanair
25 Oct
ORK22:50Cork
8h 55m
1 stop
BFS07:45Belfast Intl
27 Oct
BFS22:20Belfast Intl
9h 00m
1 stop
ORK07:20Cork
Ryanair
25 Oct
ORK22:50Cork
8h 55m
1 stop
BFS07:45Belfast Intl
27 Oct
BFS12:40Belfast Intl
18h 40m
2 stops
ORK07:20Cork

KLM flights from Ireland to Belfast

Our best KLM deals on Ireland to Belfast flight tickets
KLM
4 Oct
DUB11:10Dublin
10h 05m
1 stop
BHD21:15Belfast City
5 Oct
BHD06:30Belfast City
6h 05m
1 stop
DUB12:35Dublin
KLM
6 Mar
ORK06:00Cork
10h 50m
1 stop
BHD16:50Belfast City
9 Mar
BHD06:30Belfast City
8h 30m
2 stops
ORK15:00Cork
KLM
6 Oct
ORK15:25Cork
25h 30m
2 stops
BHD16:55Belfast City
13 Oct
BHD17:25Belfast City
21h 15m
2 stops
ORK14:40Cork

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 26/10

21:45-07:25

1 stop9h 40m

Belfast Intl

Sun 2/11

05:45-13:20

1 stop7h 35m

€109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 7/10

20:45-07:55

1 stop11h 10m

Belfast Intl

Tue 14/10

05:55-12:10

1 stop6h 15m

€114

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 25/10

22:50-07:45

1 stop8h 55m

Belfast Intl

Mon 27/10

22:20-07:20

1 stop9h 00m

€175

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 4/10

06:30-20:25

1 stop13h 55m

Belfast City

Sun 5/10

11:00-17:20

1 stop6h 20m

€201

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 25/10

22:50-07:45

1 stop8h 55m

Belfast Intl

Mon 27/10

12:40-07:20

2 stops18h 40m

€206

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 18/10

06:30-20:50

1 stop14h 20m

Belfast City

Mon 20/10

10:20-17:20

1 stop7h 00m

€210

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 4/10

11:10-21:15

1 stop10h 05m

Belfast City

Sun 5/10

06:30-12:35

1 stop6h 05m

€214

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 18/10

20:10-10:10

1 stop14h 00m

Belfast City

Mon 20/10

13:50-18:00

1 stop4h 10m

€232

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 4/10

20:10-10:10

1 stop14h 00m

Belfast City

Sun 5/10

20:05-07:45

1 stop11h 40m

€272

CorkBelfast

ORK - BHD

ORKBHD

Cork

Fri 6/3

06:00-16:50

1 stop10h 50m

Belfast City

Mon 9/3

06:30-15:00

2 stops8h 30m

€321

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Belfast?

Aer Lingus, Iberia, and Loganair are the most popular carriers operating from Ireland to Belfast

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Direct flights

None
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Belfast?

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Belfast

Compare and see reviews for airlines that fly from Ireland to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €259Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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1 adult
Sat 11/10
Sat 18/10

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast